Home / 14,250.94-21,379.24-4,389.80

Finding the Fourth Proportional to 14,250.94, 21,379.24 and 4,389.80

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Solution

The fourth proportional to 14,250.94, 21,379.24 and 4,389.80 is: 6,585.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.94 : 21,379.24 = 4,389.80 : x
  2. Step 2: Convert to fraction form
    14,250.94/21,379.24 = 4,389.80/x
  3. Step 3: Cross multiply
    14,250.94x = 21,379.24 × 4,389.80
  4. Step 4: Simplify right side
    14,250.94x = 93,850,486.34
  5. Step 5: Solve for x
    x = 93,850,486.34/14,250.94
  6. Step 6: Final answer
    x = 6,585.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.